Upcoming Drinking Water Regulations
Regulations in Process or Planned
- Maximum Contaminant Levels
- Chromium (hexavalent)
- Perfluorooctanoic acid (PFOA) and Perfluorooctane sulfonic acid (PFOS)
- Per- and Polyfluoroalkyl Substances (PFAS)
- N-nitroso-dimethylamine (NDMA)
- Lead and Copper Rule
- Cross Connection Control Regulations: Work on updating these regulations via a Policy Handbook is underway pursuant to Assembly Bill 1671. The State Water Board is seeking formal comment on the Draft Policy Handbook from the public, stakeholders and interested parties. Pursuant to AB 1671, two Public Hearings are required on the Draft Policy Handbook prior to consideration for adoption by the Board. Visit the State Water Board’s Cross-Connection Control Policy Handbook for more information.
- November 2, 2022 Draft Cross-Connection Control Policy Handbook
- October 20, 2022 Second Public Hearing Notice
- February 26, 2021 Draft Cross Connection Policy Handbook
- April 27, 2021 First Public Hearing Notice
- February 20, 2020 Stakeholder Workshop:
TThe current cross connection control regulations are found in Title 17 California Code of Regulations, in Division 1, Chapter 5, Subchapter 1, Group 4, and are available California Code of Regulations
- Direct Potable Reuse: The report to the Legislature regarding the feasibility of developing Direct Potable Reuse (DPR) criteria was submitted in December 2016. Work continues on DPR.
- Microplastics: Senate Bill No. 1422 (filed on September 28, 2018) requires the State Water Board to adopt a definition of microplastics in drinking water on or before July 1, 2020, and on or before July 1, 2021, to adopt a standard testing methodology for microplastics and requirements for four years of testing and reporting, including public disclosure of results.
- Metal Detection Limits for Purposes of Reporting
- Primacy Package Approvals
- Public Notification Rule.
- Consumer Confidence Reports (CCRs).
- Rulemaking page coming soon. More information on CCRs.
- Electronic Reporting of Drinking Water Quality Data
- Water Quality Standards for On-site Treatment and Reuse
- Notification and Response Levels
- Quinquennial Maximum Contaminant Levels Review: To meet requirements of the Health and Safety Code Section 116365(g), each year the State Water Board identifies the MCLs it intends to review.
- Financial Assurances. Rulemaking page coming soon.
Other Regulations of Interest
- Recycled Water Regulations: DDW's activities related to recycled water.
- Drinking Water Program Fees
- ELAP Regulations: Public drinking water systems must utilize accredited laboratories for water analyses. Follow this link for more information about regulations for the Environmental Laboratory Accreditation Program.
- Recently Adopted Regulations
Upcoming Federal Rules
- Division of Drinking Water
- Information for Public Water Systems
- Recently Adopted Regulations
- Annual Division of Drinking Water Regulatory Priority Board Resolutions
Melissa Hall, P.E.
Senior Water Resource Control Engineer
Randy Barnard, P.E.
Supervising Water Resource Control Engineer